4a4f29b8f9
* Track status pin use by user code separately so it can take over the pins and then give them back. * Switch to hardware SPI for APA102 on Gemma and Trinket. * Merge microcontroller/types.h into microcontroller/Pin.h to better match approach going forwards.
122 lines
4.1 KiB
C
122 lines
4.1 KiB
C
/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2016 Scott Shawcroft
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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// Microcontroller contains pin references and microcontroller specific control
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// functions.
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#include <stdint.h>
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#include "py/obj.h"
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#include "py/runtime.h"
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#include "shared-bindings/microcontroller/__init__.h"
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#include "shared-bindings/microcontroller/Pin.h"
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#include "common-hal/microcontroller/Pin.h"
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#include "py/runtime.h"
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//| :mod:`microcontroller` --- Pin references and core functionality
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//| ================================================================
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//|
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//| .. module:: microcontroller
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//| :synopsis: Pin references and core functionality
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//| :platform: SAMD21, ESP8266
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//|
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//| The `microcontroller` module defines the pins from the perspective of the
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//| microcontroller. See `board` for board-specific pin mappings.
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//|
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//| Libraries
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//|
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//| .. toctree::
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//| :maxdepth: 3
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//|
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//| Pin
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//|
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//| .. method:: delay_us(delay)
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//|
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//| Dedicated delay method used for very short delays. DO NOT do long delays
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//| because it will stall any concurrent code.
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//|
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STATIC mp_obj_t mcu_delay_us(mp_obj_t delay_obj) {
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uint32_t delay = mp_obj_get_int(delay_obj);
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common_hal_mcu_delay_us(delay);
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_1(mcu_delay_us_obj, mcu_delay_us);
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//| .. method:: disable_interrupts()
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//|
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//| Disable all interrupts. Be very careful, this can stall everything.
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//|
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STATIC mp_obj_t mcu_disable_interrupts(void) {
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common_hal_mcu_disable_interrupts();
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_0(mcu_disable_interrupts_obj, mcu_disable_interrupts);
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//| .. method:: enable_interrupts()
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//|
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//| Enable the interrupts that were enabled at the last disable.
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//|
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STATIC mp_obj_t mcu_enable_interrupts(void) {
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common_hal_mcu_enable_interrupts();
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_0(mcu_enable_interrupts_obj, mcu_enable_interrupts);
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//| :mod:`microcontroller.pin` --- Microcontroller pin names
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//| --------------------------------------------------------
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//|
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//| .. module:: microcontroller.pin
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//| :synopsis: Microcontroller pin names
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//| :platform: SAMD21
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//|
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//| References to pins as named by the microcontroller
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//|
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const mp_obj_module_t mcu_pin_module = {
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.base = { &mp_type_module },
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.globals = (mp_obj_dict_t*)&mcu_pin_globals,
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};
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STATIC const mp_rom_map_elem_t mcu_module_globals_table[] = {
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{ MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_microcontroller) },
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{ MP_ROM_QSTR(MP_QSTR_delay_us), MP_ROM_PTR(&mcu_delay_us_obj) },
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{ MP_ROM_QSTR(MP_QSTR_disable_interrupts), MP_ROM_PTR(&mcu_disable_interrupts_obj) },
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{ MP_ROM_QSTR(MP_QSTR_enable_interrupts), MP_ROM_PTR(&mcu_enable_interrupts_obj) },
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{ MP_ROM_QSTR(MP_QSTR_Pin), MP_ROM_PTR(&mcu_pin_type) },
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{ MP_ROM_QSTR(MP_QSTR_pin), MP_ROM_PTR(&mcu_pin_module) },
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};
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STATIC MP_DEFINE_CONST_DICT(mcu_module_globals, mcu_module_globals_table);
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const mp_obj_module_t microcontroller_module = {
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.base = { &mp_type_module },
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.globals = (mp_obj_dict_t*)&mcu_module_globals,
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};
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